Auxiliary routines:
- ---requeue
-
- requeues once dequeued packet. It is used for non-standard or
- just buggy devices, which can defer output even if netif_queue_stopped()=0.
-
---peek
like dequeue but without removing a packet from the queue
if (qops->enqueue == NULL)
qops->enqueue = noop_qdisc_ops.enqueue;
- if (qops->requeue == NULL)
- qops->requeue = noop_qdisc_ops.requeue;
if (qops->peek == NULL) {
if (qops->dequeue == NULL) {
qops->peek = noop_qdisc_ops.peek;